Home / 480,515.90-663,091.11-262,720.58

Finding the Fourth Proportional to 480,515.90, 663,091.11 and 262,720.58

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Solution

The fourth proportional to 480,515.90, 663,091.11 and 262,720.58 is: 362,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,515.90 : 663,091.11 = 262,720.58 : x
  2. Step 2: Convert to fraction form
    480,515.90/663,091.11 = 262,720.58/x
  3. Step 3: Cross multiply
    480,515.90x = 663,091.11 × 262,720.58
  4. Step 4: Simplify right side
    480,515.90x = 174,207,681,012.04
  5. Step 5: Solve for x
    x = 174,207,681,012.04/480,515.90
  6. Step 6: Final answer
    x = 362,543.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.